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Ever wondered how the search or replace button works? They are very useful commands. 

For beginners and professionals alike, we use these commands in our day-to-day work life, at least once a day. This is why I felt the need to build a course that could help you increase your knowledge and save time while working with strings or any sort of text.

The objective of this course is to help you get a strong grip on regular expressions, or in shorthand, regex. Instead of writing repetitive tasks, it mainly focuses on efficient searching in text files.

Regular Expressions for Programmers

What will be the result of each group for the given RegEx `/((\d{3})-((\d{3})-(\d{4})))/` and text "456-156-4627"? Select all that apply.

What will be the result of each group for the given RegEx <code>/((\d{3})-((\d{3})-(\d{4})))/</code> and text “456-156-4627”? Select all that apply.

Which of the below texts will be matched by following RegEx `/(\d{3})?def/g`? Select all that apply.

Which of the below texts will be matched by following RegEx <code>/(\d{3})?def/g</code>? Select all that apply.

What will be RegEx to match all texts “no”, “not”, and “nothing”?

What will be RegEx to match all texts “no”, “not”, and “nothing”?

Quiz yourself on the grouping and Boolean OR.

Introduction to RegEx

Characters

Character Set

Repetition Character

Grouping and Alteration Character

Anchor Character

Concepts about RegEx

Conclusion

Assessment 1

Quiz